US2461436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Offen & Co Ltd
•
Filing: 1945-09-10
•
Granted: 1949-02-08
•
Expires: 1965-09-10
Abstract
No abstract record available.
Inventors
- 👤 Offen Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03446; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US981520A
Cited
US1409379A
Cited
US1637611A
Cited
US1797582A
Cited
US1774701A
Cited
US2369875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |